10 Questions
What plays the most important role among the physical characteristics of road users?
Vision
What is the angle of the zone where sharper vision is concentrated?
2°
What is the angle of peripheral vision?
10°-12°
Which characteristic has the total visual field for both eyes?
Peripheral vision
What are the essential prerequisites for any improvement of traffic facilities?
Physical characteristics of road users
What is the most important permanent physical characteristic of road users?
Vision
What is the angle of the zone where sharper vision is concentrated in the retina?
2°
In road user characteristics, what is the total visual field for both eyes known as?
Peripheral Vision
What does the study of traffic characteristics help in deciding for safe and efficient traffic movements?
Geometric design features and traffic control
Which characteristic has a zone formed by a cone, with an angle of 2° about the center of the retina?
Vision
Study Notes
- Traffic characteristics are essential for improving traffic facilities.
- Traffic studies are conducted to analyze traffic characteristics for safe and efficient traffic movements.
- Road user characteristics include physical, mental, dynamic, and psychological factors.
- Physical characteristics of road users are permanent and include vision, hearing, and general reaction.
- Vision is the most important road user characteristic, with sharper vision in the zone of acute vision (2° around the center of retina) and satisfactory vision up to an angle of 10°-12°.
- Angle of peripheral vision refers to the total visual field for both eyes.
Test your knowledge of traffic characteristics and their importance in determining geometric design features and traffic control for safe and efficient traffic movements.
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